After updating the app billing lib to implementation 'com.android.billingclient:billing:2.0.1' I started to see refunds even after 3 days. How is that possible? Google only mentions here that purchse is refunded if user uninstall the app in short period after purchase. I guess 3 days is not a short period.
2 Answers
Users must acknowledge the purchase within 3 days otherwise the subscription will be refunded:
https://developer.android.com/google/play/billing/billing_library_overview#acknowledge
Do the following in PurchasesUpdatedListener
private val purchaseUpdateListener = PurchasesUpdatedListener { billingResult, purchases ->
for (purchase in purchases) {
if (purchase.purchaseState == Purchase.PurchaseState.PURCHASED) {
if (!purchase.isAcknowledged) {
val acknowledgePurchaseParams =
AcknowledgePurchaseParams.newBuilder()
.setPurchaseToken(purchase.purchaseToken).build()
billingClient?.acknowledgePurchase(acknowledgePurchaseParams) {
billingResult ->
val billingResponseCode = billingResult.responseCode
val billingDebugMessage = billingResult.debugMessage
Log.v("TAG_INAPP", "response code: $billingResponseCode")
Log.v("TAG_INAPP", "debugMessage : $billingDebugMessage")
}
}
}
This code will send confirmation of the purchase to the google servers. So any purchase made from your app won't be invalid anymore and won't be refunded automatically.
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